How many moles of magnesium phosphate, M...

How many moles of magnesium phosphate, `Mg_(3)(PO_(4))_(2)` will contain 0.25 mole of oxygen atoms?

A

0.02

B

`3.125xx10^(-2)`

C

`1.25xx10^(-2)`

D

`2.5xx10^(-2)`

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The correct Answer is:

B

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